Siemens SIMATIC S7-300 Manual page 324

Analog modules
6.10 Analog input module SM 331; AI 8 x TC; (6ES7331-7PF11-0AB0)
Technical data
Voltages, currents, electrical potentials
Rated electronics supply voltage L +
Reverse polarity protection
•
Constant measuring current for resistive transducers
Electrical isolation
between channels and the backplane bus
•
between channels and electronics power supply
•
between channels
•
in groups of
Permissible potential difference
between channels (U
•
Between the channels and M
•
Isolation test voltage
Current consumption
from the backplane bus
•
from power supply L+
•
Power loss of the module
Formation of analog values
Measuring principle
Mode of operation
Integration/conversion time/resolution (per channel)
programmable
•
Basic conversion time in ms
•
additional conversion time for wire-break monitoring in ms
•
Resolution (including overshoot range)
•
Noise suppression at
•
interference frequency f1 in Hz
Measured value smoothing
Basic execution time of the module (all channels enabled)
Mode of operation
Integration/conversion time/resolution (per channel)
programmable
•
Basic conversion time in ms
•
additional conversion time for wire-break monitoring in ms
•
Resolution (including overshoot range)
•
Noise suppression at
•
interference frequency f1 in Hz
Measured value smoothing
Basic execution time of the module (all channels enabled)
Measuring principle
Mode of operation
6-90
)
CM
(V )
internal iso
24 VDC
Yes
typ. 0.7 mA
Yes
Yes
Yes
2
60 VAC / 75 VDC
60 VAC / 75 VDC
500 VDC
max. 100 mA
max. 240 mA
typ. 3.0 W
Integrating
8-channel mode (hardware filter)
Yes
95
4
16 bits (including sign)
400/60/50
None / low/ average/ high
196 ms
8-channel mode (software filter)
Yes
23/72/83
4
16 bits (including sign)
400/60/50
None / low/ average/ high
46 ms/ 144 ms/ 166 ms
Integrating
4-channel mode (hardware filter)
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04